Generic BackDoor!8E891D3B0195

This page shows details and results of our analysis on the malware Generic BackDoor!8E891D3B0195

Overview

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.


Minimum DAT

7271 (2013-11-26)

Updated DAT

7271 (2013-11-26)

Minimum Engine

5600.1067

File Length

120698

Description Added

2013-11-27

Description Modified

2013-11-27

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric BackDoor
Length120698 bytes
MD58e891d3b0195b9759bd589a4539a489c
SHA125cd4202d2fc91add62ff42ded16b916f7346b2a


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareTrojan.Generic.7101452 (B)
ahnlabWorm/Win32.Palevo
avastWin32:Agent-AQGZ
AVG (GriSoft)BackDoor.Agent.AQFT
aviraTR/ATRAPS.Gen2
KasperskyP2P-Worm.Win32.Palevo.cjkl
BitDefenderTrojan.Generic.7101452
clamavWorm.Palevo-26637
Dr.WebBackDoor.Siggen.52105
F-ProtW32/Palevo.G.gen!Eldorado
FortiNetW32/Genetik.LF!tr
Microsoftbackdoor:win32/morix.b
SymantecTrojan.Gen
EsetWin32/Agent.OMY
normanZegost.AGWV
risingTrojan.Win32.Redosdru.al
Trend MicroTROJ_AG.5CDCAFDD
vba32BScope.P2P-Worm.Palevo

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric BackDoor
McAfee SupportedGeneric BackDoor



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

25CD4202D2FC91ADD62FF42DED16B916F7346B2A

The following files have been added to the system:

  • %WINDIR%\Ball.exe
  • %TEMP%\201373110376.exe
  • %WINDIR%\SYSTEM32\ctfmon.exe

The following files have been deleted:

  • %WINDIR%\ServicePackFiles\i386\ctfmon.exe

The following files were temporarily written to disk then later removed:

  • %TEMP%\nso8.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\KEYBOARD LAYOUT\TOGGLE\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\ASSEMBLIES\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\LANGBAR\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\SAPILAYR\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\TIP\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\TIP\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\TIP\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\LANGUAGEPROFILE\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\TIP\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\LANGUAGEPROFILE\0X00000409\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\TIP\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\LANGUAGEPROFILE\0X00000409\{09EA4E4B-46CE\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SAPI LAYER\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{540D8A8B-1C3F-4E32-8132-530F6A502090}\IMPLEMENTED CATEGORIES\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{540D8A8B-1C3F-4E32-8132-530F6A502090}\IMPLEMENTED CATEGORIES\{00021492-0000-0000-C000-00\
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\BALL\
  • HKEY_LOCAL_MACHINE\SYSTEM\INFOTIME\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\LANGBAR\EXTRAICONSONMINIMIZED = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\SAPILAYR\PROFILEINITIALIZED = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\CTF\TIP\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\LANGUAGEPROFILE\0X00000409\{09EA4E4B-46CE\ENABLE = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\BALL = %WINDIR%\Ball.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\CTFMON.EXE = %WINDIR%\SYSTEM32\ctfmon.exe
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\BALL\GROUP = [binary data]
  • HKEY_LOCAL_MACHINE\SYSTEM\INFOTIME\INFOTIME = 20121115

The applications attempted the following network connection(s):

  • 183.57.221.**:8010

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

Removal

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: http://www.mcafee.com/us/downloads/free-tools/disabling-system-restore.aspx

2. Update your McAfee Anti-Virus product to the latest version (when possible), and ensure the latest DAT and Engine and any applicable EXTRA.DATs are installed.

3. Run a full system scan. (On-Demand Scan)

4. Reboot, as soon as it is convenient, to ensure all malicious components are removed.

Variants